A nonlinear nonlocal mixed problem for a second order pseudoparabolic equation |
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Authors: | Said Mesloub |
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Institution: | King Saud University, College of Sciences, Department of Mathematics, PO Box 2455, Riyadh 11451, Saudi Arabia |
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Abstract: | We study a nonlocal mixed problem for a nonlinear pseudoparabolic equation, which can, for example, model the heat conduction involving a certain thermodynamic temperature and a conductive temperature. We prove the existence, uniqueness and continuous dependence of a strong solution of the posed problem. We first establish for the associated linear problem a priori estimate and prove that the range of the operator generated by the considered problem is dense. The technique of deriving the a priori estimate is based on constructing a suitable multiplicator. From the resulted energy estimate, it is possible to establish the solvability of the linear problem. Then, by applying an iterative process based on the obtained results for the linear problem, we establish the existence, uniqueness and continuous dependence of the weak solution of the nonlinear problem. |
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Keywords: | Integral condition Nonlinear pseudoparabolic equation Strong solution Energy estimate |
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